As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PTRM MAIN INOPERATIVE WARNING MESSAGE ILLUMINATED ON EICAS DURING CLIMBOUT. T/S PTRIM MAIN INOPERATIVE R & R HSCU. NO FIX. CAN RESET PTRIM INDICATION WITH TRIM FULL DOWN. FAIL, WHEN TRIM GOES UP BEFORE FIRST CARROT. INSTALLED IAW AMM TASK 27-40-01-400-801-A. SEE Q1 FOR ELECTRICAL, OPS CHECK.